In the rich text editor:
@OliverReken
In a comment:
[OliverReken](https://chowlings.com/user/OliverReken)
For Names and Avatars:
In the rich text editor:
%OliverReken
In a comment:
[](https://chowlings.com/user/OliverReken) [OliverReken](https://chowlings.com/user/OliverReken)
